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https://www.readbyqxmd.com/read/28088129/in-vitro-eye-irritation-testing-using-the-open-source-reconstructed-hemicornea-a-ring-trial
#1
Karsten R Mewes, Maria Engelke, Michaela Zorn-Kruppa, Melinda Bartok, Rashmi Tandon, Johanna M Brandner, Dirk Petersohn
Aim of the present ring trial was to prove whether two new methodological approaches for the in vitro classification of eye irritating chemicals can be reliably transferred from the developers' laboratories to other sites.Both test methods are based on the well-established open source reconstructed 3D hemicornea models. In the first approach, the initial depth of injury in the hemicornea model after chemical treatment is derived from the quantitative analysis of histological sections. In the second approach tissue viability, as a measure for corneal damage after chemical treatment, is analyzed separately for epithelium and stroma of the hemicornea model...
January 14, 2017: ALTEX
https://www.readbyqxmd.com/read/28088113/modulatory-effect-of-vanillic-acid-on-antioxidant-status-in-high-fat-diet-induced-changes-in-diabetic-hypertensive-rats
#2
Kolanji Vinothiya, Natarajan Ashokkumar
The worldwide incidence of diabetes has increased dramatically along with widespread lifestyle and dietary changes. Diets high in fat are strongly associated with the development of obesity and can induce insulin resistance in humans and animals. It is clear that obesity constitutes a risk factor for contributing to the development of type 2 diabetes. In the present study, we investigated the therapeutic potential action of vanillic acid on diabetes associated complications using a rat model. Rats were made diabetic hypertensive by high fat diet (HFD) for 20 weeks and were treated with vanillic acid (50mg/kg bw) for last 8 weeks...
January 11, 2017: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/28087726/benefit-of-mineralocorticoid-receptor-antagonism-in-aki-role-of-vascular-smooth-muscle-rac1
#3
Jonatan Barrera-Chimal, Gwennan André-Grégoire, Aurelie Nguyen Dinh Cat, Sebastian M Lechner, Jérôme Cau, Sonia Prince, Peter Kolkhof, Gervaise Loirand, Vincent Sauzeau, Thierry Hauet, Frédéric Jaisser
AKI is a frequent complication in hospitalized patients. Unfortunately, there is no effective pharmacologic approach for treating or preventing AKI. In rodents, mineralocorticoid receptor (MR) antagonism prevents AKI induced by ischemia-reperfusion (IR). We investigated the specific role of vascular MR in mediating AKI induced by IR. We also assessed the protective effect of MR antagonism in IR-induced AKI in the Large White pig, a model of human AKI. In mice, MR deficiency in smooth muscle cells (SMCs) protected against kidney IR injury...
January 13, 2017: Journal of the American Society of Nephrology: JASN
https://www.readbyqxmd.com/read/28086987/a-systematic-review-and-meta-analysis-of-the-seroprevalence-of-toxoplasma-gondii-in-cats-in-mainland-china
#4
Huan Ding, Yu-Meng Gao, Yao Deng, Poppy H L Lamberton, Da-Bing Lu
BACKGROUND: Toxoplasmosis is caused by Toxoplasma gondii which can infect all warm-blooded animals. As the most common feline definitive host, cats play a vital role in the transmission of T. gondii. However, national estimates of the seroprevalence of T. gondii in cats in mainland China are lacking, and therefore a systematic review and meta-analysis were performed to provide insight into national environmental transmission levels and potential transmission to humans. METHODS: Studies published up until July 1, 2016, on T...
January 13, 2017: Parasites & Vectors
https://www.readbyqxmd.com/read/28086894/c60-fullerene-as-promising-therapeutic-agent-for-correcting-and-preventing-skeletal-muscle-fatigue
#5
Yurij I Prylutskyy, Inna V Vereshchaka, Andriy V Maznychenko, Nataliya V Bulgakova, Olga O Gonchar, Olena A Kyzyma, Uwe Ritter, Peter Scharff, Tomasz Tomiak, Dmytro M Nozdrenko, Iryna V Mishchenko, Alexander I Kostyukov
BACKGROUND: Bioactive soluble carbon nanostructures, such as the C60 fullerene can bond with up to six electrons, thus serving by a powerful scavenger of reactive oxygen species similarly to many natural antioxidants, widely used to decrease the muscle fatigue effects. The aim of the study is to define action of the pristine C60 fullerene aqueous colloid solution (C60FAS), on the post-fatigue recovering of m. triceps surae in anaesthetized rats. RESULTS: During fatigue development, we observed decrease in the muscle effort level before C60FAS administration...
January 13, 2017: Journal of Nanobiotechnology
https://www.readbyqxmd.com/read/28081148/characterization-of-multi-drug-resistant-enterococcus-faecalis-isolated-from-cephalic-recording-chambers-in-research-macaques-macaca-spp
#6
Stephanie E Woods, Mia T Lieberman, Francois Lebreton, Elise Trowel, César de la Fuente-Núñez, Joanne Dzink-Fox, Michael S Gilmore, James G Fox
Nonhuman primates are commonly used for cognitive neuroscience research and often surgically implanted with cephalic recording chambers for electrophysiological recording. Aerobic bacterial cultures from 25 macaques identified 72 bacterial isolates, including 15 Enterococcus faecalis isolates. The E. faecalis isolates displayed multi-drug resistant phenotypes, with resistance to ciprofloxacin, enrofloxacin, trimethoprim-sulfamethoxazole, tetracycline, chloramphenicol, bacitracin, and erythromycin, as well as high-level aminoglycoside resistance...
2017: PloS One
https://www.readbyqxmd.com/read/28080141/low-concentration-of-oleic-acid-exacerbates-lps-induced-cell-death-and-inflammation-in-human-alveolar-epithelial-cells
#7
Altug Kucukgul, Suat Erdogan
PURPOSE: The current study aimed to investigate in vitro effects of oleic acid on lipopolysaccharide (LPS)-induced acute lung injury in the human lung epithelial cells (A549). MATERIALS AND METHODS: The cell viability was evaluated by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT) tests. Selected gene expression levels were analyzed by Real-Time Quantitative-Polymerase Chain Reaction (RT-qPCR). RESULTS: 24 hours of LPS (100 ng/mL) exposure decreased the cells viability by 44...
January 12, 2017: Experimental Lung Research
https://www.readbyqxmd.com/read/28079960/successful-medical-management-of-a-domestic-longhair-cat-with-subdural-intracranial-empyema-and-multifocal-pneumonia
#8
Thomas J A Cardy, Richard Lam, Laureen M Peters, Philippa J McLaren, Màrian Matas Riera, Steven De Decker
OBJECTIVE: To describe a case of successful medical management of subdural intracranial empyema and multifocal pneumonia in a domestic longhaired cat. CASE SUMMARY: A 7-year-and-8-month-old male neutered domestic longhair cat presented with tachypnea, respiratory compromise, vestibular ataxia, obtundation, left-sided head tilt, and multiple cranial nerve deficits. Neuroanatomical localization was multifocal with central vestibular involvement. Magnetic resonance imaging of the head indicated diffuse subdural empyema, mainly affecting the middle cranial fossa and the right cerebrum...
January 12, 2017: Journal of Veterinary Emergency and Critical Care
https://www.readbyqxmd.com/read/28078669/maintenance-phase-in-puva-phototherapy-of-early-stage-mycosis-fungoides-a-critically-appraised-topic
#9
REVIEW
V Grandi, C Delfino, A Pileri, N Pimpinelli
A 65-years-old patient affected by mycosis fungoides stage IB achieved complete remission after a cycle of PUVA phototherapy. As suggested by USCLC guidelines(1) , the patient should be kept in maintenance phase, defined as "period of gradual decrease of frequency of UVL while in clinical remission before discontinuation of phototherapy" by slowly tapering the number of PUVA applications over time up to clinical relapse. USCLC also suggest a standardized schedule for maintenance phase (table 1). Alternatively, the patient could end PUVA therapy and go straight to follow up...
January 12, 2017: British Journal of Dermatology
https://www.readbyqxmd.com/read/28077757/biotypes-and-scm-types-of-isolates-of-streptococcus-canis-from-diseased-and-healthy-cats
#10
J F Timoney, S Velineni, B Ulrich, P Blanchard
Lancefield group G Streptococcus canis is a component of the normal urogenital and pharyngeal flora of the cat. It is also frequently implicated in epizootics of severe disease in closed cat colonies and animal shelters. Given the importance of S canis as a feline pathogen and relative lack of published information on characteristics potentially associated with virulence, the authors have compared isolates from healthy and diseased cats in New York and California using fermentation profiles (biotype) and ScM sequences...
January 11, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28077755/risk-factors-for-road-traffic-accidents-in-cats-up-to-age-12%C3%A2-months-that-were-registered-between-2010-and-2013-with-the-uk-pet-cat-cohort-bristol-cats
#11
J L Wilson, T J Gruffydd-Jones, J K Murray
Road traffic accidents (RTAs) are a common cause of death and injury in domestic cats, and a concern to many owners. This study assessed potential risk factors for RTAs in cats up to 12 months of age within a UK cat cohort known as 'The Bristol Cats study'. Data were obtained from three questionnaires, completed by cat owners when their cats were approximately 8-16 weeks old, 6 months old and 12 months old. Information was gathered regarding environmental conditions, cat characteristics and owner management factors...
January 11, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28077754/double-blinded-randomised-placebo-controlled-clinical-trial-of-individualised-homeopathic-treatment-of-hyperthyroid-cats
#12
A L Bodey, C J Almond, M A Holmes
Feline hyperthyroidism is a common endocrine disorder in older cats for which homeopathic treatment has been advocated. A double-blinded, placebo-controlled randomised trial was performed to look for evidence of efficacy for the use of individualised homeopathy in the treatment of this disease. Using a case definition of a concentration of the thyroid hormone T4 >66 nmol/l, cats were randomised into two treatment arms. Either a placebo or a homeopathic treatment was given to each cat blindly. After 21 days, the T4 levels, weight (Wt) and heart rate (HR) were compared with pretreatment values...
January 11, 2017: Veterinary Record
https://www.readbyqxmd.com/read/28077727/asymmetries-of-dark-and-bright-negative-afterimages-are-paralleled-by-subcortical-on-and-off-post-stimulus-responses
#13
Hui Li, Xu Liu, Xiaohong Li, Yiliang Lu, Lothar Spillmann, Ian M Andolina, Wei Wang
: Humans are more sensitive to luminance decrements than increments, as evidenced by lower thresholds and shorter latencies for dark stimuli. This asymmetry is consistent with results of neurophysiological recordings in dorsal lateral-geniculate nucleus (dLGN) and primary visual cortex (V1) of cat and monkey. Specifically, V1 population responses demonstrate that darks elicit higher levels of activation than brights, and the latency of OFF responses in dLGN and V1 is shorter than that of ON responses...
January 11, 2017: Journal of Neuroscience: the Official Journal of the Society for Neuroscience
https://www.readbyqxmd.com/read/28077692/reference-curves-for-the-australian-canadian-hand-osteoarthritis-index-in-the-middle-aged-dutch-population
#14
Féline P B Kroon, Sofia Ramiro, Patrick Royston, Saskia Le Cessie, Frits R Rosendaal, Margreet Kloppenburg
OBJECTIVE: The aim was to establish reference curves of the Australian/Canadian Hand Osteoarthritis Index (AUSCAN), a widely used questionnaire assessing hand complaints. METHODS: Analyses were performed in a population-based sample, The Netherlands Epidemiology of Obesity study (n = 6671, aged 45-65 years). Factors associated with AUSCAN scores were analysed with ordered logistic regression, because AUSCAN data were zero inflated, dividing AUSCAN into three categories (0 vs 1-5 vs >5)...
January 11, 2017: Rheumatology
https://www.readbyqxmd.com/read/28077342/can-stoss-therapy-be-used-in-children-with-vitamin-d-deficiency-or-insufficiency-without-rickets
#15
Cemil Koçyiğit, Gönül Çatlı, Gülberat İnce, Elif Büşra Özkan, Bumin Nuri Dündar
OBJECTIVE: Stoss treatment has also been suggested due to non-skeletal benefits of vitamin D in adults, but no sufficient data are present about the optimal dose of vitamin D replacement in children with vitamin D deficiency/insufficiency without rickets. This study aimed to compare efficiency/side effects of two different stoss therapy regimens (10.000 IU/kg and 300.000 IU vitamin-D3) administered in children with vitamin D deficiency/insufficiency without rickets. METHODS: Sixty-four children who had vitamin-D deficiency/insufficiency were studied...
January 12, 2017: Journal of Clinical Research in Pediatric Endocrinology
https://www.readbyqxmd.com/read/28076952/compactness-of-lithium-peroxide-thin-film-formed-in-li-o2-batteries-and-its-link-to-charge-transport-mechanism-insights-from-stochastic-simulations
#16
Yinghui Yin, Ruijie Zhao, Yue Deng, Alejandro A Franco
Nano-catalysts are added into Li-O2 batteries to overcome the issues of limited discharge capacity and high charge potential, which may be resulted from the formation of the insulating Li2O2 film during discharge process. We simulated the growth of Li2O2 thin film with a mesoscale novel kinetic Monte Carlo model to investigate the impacts of catalysts. The simulation results show that the ordering of the Li2O2 thin film is determined by the interplay between diffusion kinetics and reaction kinetics. Due to faster reaction kinetics, the Li2O2 formed with the presence of catalyst (cat-CNF) shows a low degree of ordering and is more likely to be amorphous...
January 12, 2017: Journal of Physical Chemistry Letters
https://www.readbyqxmd.com/read/28076505/therapeutic-effect-of-low-molecular-weight-chitosan-containing-sepia-ink-on-ethanol-induced-gastric-ulcer-in-rats
#17
Wei Zhang, Kang Liu, Lei Li, Yingxin Li, Xianxian Sui, Yinzhu Rao, Jiahao Wu, Qiuping Wu
PURPOSE: To evaluate the role of low molecular chitosan containing sepia ink (LMCS) in ethanol-induced (5 ml/kg) gastric ulcer in rats. METHODS: Animals were divided into four groups (n = 12): normal group (Normal), negative control group (Con), experiment group (LMCS) and positive control Omeprazole group (OMZ). Gastric empty rate was detected in the first 7 days. Rats were sacrificed at 7, 14 and 21 day for histology and ELISA detections. RESULTS: Gastric empty was no significant differences among the groups (P > 0...
December 2016: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/28076409/an-efficient-antioxidant-system-in-a-long-lived-termite-queen
#18
Eisuke Tasaki, Kazuya Kobayashi, Kenji Matsuura, Yoshihito Iuchi
The trade-off between reproduction and longevity is known in wide variety of animals. Social insect queens are rare organisms that can achieve a long lifespan without sacrificing fecundity. The extended longevity of social insect queens, which contradicts the trade-off, has attracted much attention because it implies the existence of an extraordinary anti-aging mechanism. Here, we show that queens of the termite Reticulitermes speratus incur significantly lower oxidative damage to DNA, protein and lipid and have higher activity of antioxidant enzymes than non-reproductive individuals (workers and soldiers)...
2017: PloS One
https://www.readbyqxmd.com/read/28075046/a-standardized-fluoroscopy-based-technique-to-measure-intraoperative-cup-anteversion
#19
Matthieu Zingg, Sana Boudabbous, Didier Hannouche, Xavier Montet, Friedrich Boettner
Direct anterior approach (DAA) with the patient lying supine has facilitated the use of intraoperative fluoroscopy and allows for standardized positioning of the patient. The current study presents a new technique to measure acetabular component anteversion using intraoperative fluoroscopy. The current paper describes a mathematical formula to calculate true acetabular component anteversion based on the acetabular component abduction angle and the c-arm tilt angle (CaT). The CaT is determined by tilting the c-arm until an external pelvic oblique radiograph with the equatorial plane of the acetabular component perpendicular to the fluoroscopy receptor is obtained...
January 11, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28074720/-registration-of-assessments-in-orthopaedic-residents-portfolios-is-falling-short
#20
S N van Vendeloo, P L P Brand, B J Burger, R G H H Nelissen, S K Bulstra, C C P M Verheyen
OBJECTIVE: To evaluate of the number of registered competency assessments in the portfolios of orthopaedic residents in the Netherlands, for whom a competency-based training programme is mandatory. DESIGN: National cohort study. METHOD: We collected data regarding the registered assessments of all orthopaedic residents who finished their training between 2012-2015. We determined the number of registered assessments of 'standard orthopaedic treatments' (evaluating residents' competency in 70 different orthopaedic treatments), objective structured clinical skills evaluations (OSCEs), critically appraised topics (CATs), and 360 degree feedback appraisals...
2017: Nederlands Tijdschrift Voor Geneeskunde
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